Suppression of Large Edge-Localized Modes in High-Confinement DIII-D Plasmas with a Stochastic Magnetic Boundary

Evans, T.E.; A. Moyer, R.; Thomas, Paul; Watkins, J.G.; Osborne, T.H.; Boedo, J.A.; J. Doyle, E.; Fenstermacher, M.E.; Finken, K.H.; J. Groebner, R.; Groth, M.; H. Harris, J.; La Haye, R.J.; Lasnier, C.J.; Masuzaki, S.; Ohyabu, N.; G. Pretty, D.; L. Rhodes, T.; Reimerdes, H.; Rudakov, D.L.; J. Schaffer, M.; Wang, G.; Zeng, L.

doi:10.1103/physrevlett.92.235003

Public

Suppression of Large Edge-Localized Modes in High-Confinement DIII-D Plasmas with a Stochastic Magnetic Boundary

Published in Physical Review Letters • Jun 10, 2004

Authors:

T.E. Evans

R. A. Moyer

Paul Thomas

Abstract

A stochastic magnetic boundary, produced by an applied edge resonant magnetic perturbation, is used to suppress most large edge-localized modes (ELMs) in high confinement (H-mode) plasmas. The resulting H mode displays rapid, small oscillations with a bursty character modulated by a coherent 130 Hz ...

Subject

Resonant magnetic perturbations

DIII-D

Physics

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